penetrālis e, adj.
penetro, piercing, penetrating, inward, inner, internal, interior, innermost : adyta, V.: foci.—As subst n., an inner part, interior, inside space, inner room : penetrale urbis, L.—Usu. plur: fausta (of the palace of Augustus), H.: in ipsis penetralibus (Britanniae), Ta.: veterum regum, inner chambers , V.: magni amnis, O.: Vestae, i. e. the poet's sanctum , H.